What is KeyValueTextInputFormat in Hadoop MapReduce?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?
how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?
How to change the name of the output file from part-r-00000 in Hadoop MapReduce?
what is NameNode in Hadoop?
How many Mappers run for a MapReduce job in Hadoop?
How to submit extra files(jars, static files) for MapReduce job during runtime?
What platform and Java version is required to run Hadoop?
Why do we need MapReduce during Pig programming?
Name job control options specified by mapreduce.
What is MapReduce? What are the syntax you use to run a MapReduce program?
Why Hadoop MapReduce?
What is the best way to copy files between HDFS clusters?